t. rowe price. invest with confidence. request a prospectus or summary prospectus with investment information, risks, fees and expenses to read and consider carefully before investing. with investment information, risks, fees and expenses ♪ music kids will spend 15 minutes watching online videos like this one. brushing for two minutes now, can save your child from severe tooth pain later. two minutes twice a day. they have the time. ♪ john: technology has made us richer, given us more choices, but what is next? smarter robots fr one thing. last year robot clled once and -- watson crushed him in competition in the quiz show. okay. a computer can win in jeopardy. economics professor jim miller says will will come next is much more interesting. >> computers are getting smarter and smarter and eventually there will be able to do everything we can. john: you don't know that. we have special skills. >> readjust machines, and we are machines, our brains run on me. we know it's possible to build machines much smarter than our